WANG Gang,ZHOU Nana.Effect of Biotic Potassium on Growth and Yield of Okra[J].Northern Horticulture,2016,40(14):180-183.[doi:10.11937/bfyy.201614045]
生物钾菌肥对黄秋葵生长和产量的影响
- Title:
- Effect of Biotic Potassium on Growth and Yield of Okra
- Keywords:
- biotic potassium; okra; growth; yield; effect
- 文献标志码:
- A
- 摘要:
- 以黄秋葵为试验材料，通过大棚内小区试验，研究了生物钾菌肥对黄秋葵生长和产量的影响。结果表明：随着生物钾菌肥施肥量的增加，株高、荚果长、荚果鲜质量、单株结果数、产量等指标都呈现先升高后降低的变化趋势，其中荚果鲜质量在施肥量为7.5 g?m-2时达最大值，与施肥量4.5 g?m-2时差异不显著，其它指标在施肥量为4.5 g?m-2时达最高值；商品率随生物钾菌肥的施用量增加持续增加，根冠比持续下降，荚果干质量变化不大，茎粗、主根长和荚果干物质含量波动较大。综合所有指标，大田种植黄秋葵最佳生物菌钾肥推荐施肥量为4.5 g?m-2。
- Abstract:
- A field experiment was conducted to evaluate the effects of biotic potassium on the growth and yield of okra.Significant effects were found，especially when biotic potassium was applied.The results showed that with the application of biotic potassium 4.5 g?m-2，the greatest plant height，as well as root shoot ratio，pod length，pod weight，pod number and okra yield were obtained.The fresh weight was the highest when the potassium was 7.5 g?m-2.There was no significant difference between it and 4.5 g?m-2.Change trends first increased and then decreased.The stem diameter and commodity rate of okra continued to increase with the increase of fertilizer，while root-shoot ratio on the contrary.The amount of biotic potassium had little effect on the dry-weight of pod，but had effect on stem diameter and root length and dry matter content of pod.The aim of the experiment was to achieve the field planting of okra best biological bacteria fertilizer amounts.Comprehensive all indicators,the optimum fertilization amount for field planting of okra was 4.5 g?m-2.
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备注/Memo
第一作者简介：王刚（1977-），男，宁夏石嘴山人，硕士，实验师，现主要从事园艺的实验教学和蔬菜生产技术的研究与推广工作。E-mail:82975180@qq.com.责任作者：周娜娜（1978-），女，山东潍坊人，硕士，副教授，现主要从事作物高产理论与植物生理等研究工作。E-mail:707634938@qq.com.基金项目：海南省应用技术研发与示范推广专项资助项目（ZDXM2015124）；海南省自然科学基金资助项目（20153109）；琼州学院2013质量工程资助项目（蔬菜栽培学）。